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Apple's Xcode 26.3 integrates Anthropic's Claude and OpenAI's Codex, letting AI agents autonomously write, build, and test code—sparking debate over security and the future of software development.

Hidden in a slide during Apple’s WWDC developer conference keynote today was a reference to “Xcode editor extensions.” The presentation style of this information suggests that this is a minor update.

The latest release of Xcode, Xcode 26.3, extends support for coding agents, such as Anthropic's Claude Agent and OpenAI's Codex, helping developers tackle complex tasks and improve their productivity.

Apple ecosystem developers are now able to use agentic AI models from OpenAI and Anthropic within Xcode.